Home / 11,645.52-16,071.60-7,110.12

Finding the Fourth Proportional to 11,645.52, 16,071.60 and 7,110.12

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Solution

The fourth proportional to 11,645.52, 16,071.60 and 7,110.12 is: 9,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.52 : 16,071.60 = 7,110.12 : x
  2. Step 2: Convert to fraction form
    11,645.52/16,071.60 = 7,110.12/x
  3. Step 3: Cross multiply
    11,645.52x = 16,071.60 × 7,110.12
  4. Step 4: Simplify right side
    11,645.52x = 114,271,004.59
  5. Step 5: Solve for x
    x = 114,271,004.59/11,645.52
  6. Step 6: Final answer
    x = 9,812.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.